Calm Down, We're Just the Lighting Dept

Question 1

Describe and Draw SERIES circuits with 5 batteries

Answer 1

• connections are made positive to negative
• volts are added up
• amps stay constant

(-connection of 2 or more devices or loads in tandem so that the current flowing through one also flows through all the others)

Question 2

Describe and Draw PARALLEL circuits with 5 batteries

Answer 2

• connections are made positive to positive, negative to negative
• amps are added up
• volts stay constant

(-the connection of 2 or more fixtures across the same conductors of a circuit such that current flow through each is independent of the others)

Question 3

Continuity

Answer 3

unbroken flow of electricity through a conductor or lamp filament.

(Script continuity: making sure all the details remain consistent.)

Question 4

NEC

Answer 4

National Electrical Code

Question 5

ND 6

Answer 5

decreases intensity of a light source 2 stops w/o altering color.

(ND 0.3 = 1 stop
ND 0.9 = 3 stops
ND 1.2 = 4 stops)

Question 6

Why is use of a frequency meter important?

Answer 6

important to know the HZ on the genny is 60 (+/- .2) to prevent flickering especially while powering HMIs from magnetic ballasts

Question 7

When discussing color temperature what does K stand for?

Answer 7

Kelvin

Question 8

Name 2 types of light meters

Answer 8

Incident meter (reads light hitting meter) AND reflected meter (reads light reflected off subject).

(Spot meter: determines light value of a very specific point on set)

Question 9

CRI

Answer 9

color rendering index

A rating from 1 to 100 expressing a lights (rendering of) color when compared to a perfect source.

(Daylight = perfect 100
90+ = accurate 
80+ = acceptable 
Between 60-80 = moderate 
60 > = poor/distorted)

Question 10

Name 4 types of par beam patterns

Answer 10

Very Narrow spot
Narrow spot
Medium flood
Wide flood

(& extra-wide flood)

Question 11

Name a light fixture:
DXW
FEY
FEV
FRK
FCM
CYX
DPY
DTY
EGT
FCX

Answer 11

DXW = red head		CYX = baby junior 
FEY = blonde			DPY = senior
	FEV = pepper or mini-mole
			DTY = Tener
	FRK = tweenie		EGT = baby
	FCM = space light	FCX = mini-brute

Question 12

Name 4 degrees of leko barrels

Answer 12

19 degrees, 26, 36, 50

Question 13

Which of the following isn't a piece of electrical equipment?
2k pipe clamp
mafer
750 side arm
wall stretcher
stirrup
wall claw

Answer 13

Wall stretcher

maybe mafer

Question 14

How many bulbs are in a Dino?

Answer 14

24

Par 64s

Question 15

How would you light on top of a set wall if there isn’t a grid? What piece of hardware can you use to rig the light?

Answer 15

On top? Baby plate

Hanging down: wall claw Or a trombone

Question 16

Who is responsible for setting all flags on set?

Answer 16

Grips (set flags)

Question 17

What is the purpose of the fresnel?

Answer 17

Fresnel: creates wide even field of light w/adjustable intensity & field size.
(makes hard clean shadows, good for actor’s faces)

Question 18

Kw

Answer 18

Kilowatt: International system of units for power equal to 1,000 watts

Question 19

How do you calculate the wattage of a 1400A genny?

Answer 19

West Virginia...
W=volts x amps.
amps 1400 
volts 120
1400x120= 168,000 watts or 168Kw